The analysis revealed that about 2 per cent of sperm from men in their early 30s contained disease-causing mutations. That ...

Male infertility is a major issue worldwide and its causes remain unclear. Now, researchers at the RIKEN Center for ...

Research into how a father’s choices — such as diet, exercise, stress, nicotine use — may transfer traits to his children has ...

Brazilian researchers have identified a previously unrecognized function of sperm that is unrelated to reproduction. A study of 13 patients admitted to the Hospital das Clínicas da Universidade de São ...

The study's main contributors include (L-R) graduate student Joshua Shaffer, professor Upasna Sharma, and postdoc Alka Gupta. (Photo by Carolyn Lagattuta) The pioneering research of UC Santa Cruz’s ...

Researchers at Newcastle University in England report they have coaxed the first human sperm cells from embryonic stem cells, in a remarkable demonstration of how quickly the field of stem-cell ...

In the United States, an estimated 645,000 men ages 20 to 50 have azoospermia, a condition in which no sperm are present in their ejaculate. Now, scientists are testing a potential treatment: ...

The donor, who was not identified, was paid to donate as a student beginning in 2005, according to the report.

A man in his early 20s received a transplant of his own sperm-producing stem cells, which had been frozen since his childhood, in an attempt to regain fertility. Doctors are waiting to see if the ...